package georah.carto
{

	import georah.carto.geometries.OGCPointZ;

	/**
	 *
	 * @author yuanm
	 */
	public class GISCamera
	{
		private static var _NULL:NullGISCamera=null;

		public static function get NULL():GISCamera
		{
			if (!_NULL)
			{
				_NULL=new NullGISCamera();
			}
			return _NULL;
		}

		protected var _where:OGCPointZ=new OGCPointZ();

		public final function get where():OGCPointZ
		{
			return _where;
		}

	}
}

import georah.carto.GISCamera;

class NullGISCamera extends GISCamera
{

}
